ViewSonic N3252w-1M Service Manual page 78

8.12. ATSC Power
5VDD
R519 C783
R520 3.9K 0.1U
20K C0603
C420
0.1U
C0603
DV33_DM
C433 C435
+ I122
100U/16V 0.1U
CE025063 C0603
4
AP1084K18
+1.8V Regulator
11 +30V_TUNER
11 12VSS
5VDD
11,15,17,18 DV33
13,14 +5V_TUNER
14 DV33_DM
14 DV18
15,18 AV33
15,16,18 B9105B_3V3
15,18 DV12
11,13,14,15,16,17,18 GND
GLOBAL SIGNAL
ViewSonic Corporation
DV33_DM
0805
I118
L227 L150
4 6
VCC Output
5
Output
30uH R121/0805
D153 0.7m/m R521 C418 L0805
C784 +
3.65K 1% 0.1U 220U/16V + C417
CE050080 100U/16V
3 SR54 C0603
OCSET
2 1
EN FB
R522
AP1510 1.15K 1%
POWER SUPPLY +3V3 FOR MT5111
POWER SUPPLY +3V3 FOR MT5351
L153
R121/0603
L0603
+ C431
100U/16V
CE025063
POWER SUPPLY +3V3 FOR MT5351 (ANALOG)
DV18
L154
R121/0805
L0805 C434
+ C436
100U/16V 0.1U
3
IN CE025063 C0603
2
OUT
1
ADJ
POWER SUPPLY +1V8 FOR MT5111
TO-263
+30V_TUNER +5V_TUNER
L158
12VSS
5VDD
DV33 10uH
+ C450 C451 DRWW9*12 0.6mm
I123
220U/16V
+5V_TUNER 0.1U
DV33_DM CE050080 C0603
5 1
V_IN SW
DV18
2
GND
AV33
B9105B_3V3
4 3
SHDN FB
DV12
GND Regulator AP1522 SOT23-5/SMD
75
N3252w-1M
Confidential - Do Not Copy
12VSS
R530 R529
20K 3.9K
+
C419 C421
220U/16V
0.1U CE050080
C790
0.1U
C0603
DV33
C426
0.1U
C0603
AV33
5VDD
C432
0.1U
C0603
+ C427
100U/16V
CE025063
POWER SUPPLY +2V5 FOR MT5351 AND DDR
DV33
+ C437
100U/16V
CE025063
D151
DIODE SMD BAR99/Fairchild
SOT23/SMD +30V_TUNER
2
3
1
+ C317 C318
0.1U
220U/50V
CE050080 C0603
C310 R423
0.1U 267K1%
R0603
C0603
R416
Rb
11.5K1%
R0603
Ra
Vout = 1.25 x ( 1 + Rb / Ra )
POWER SUPPLY +30V FOR SAMSUNG TUNER
I119 L151 L235 +5V_TUNER
4 6
VCC Output
30uH R121/0805
5
Output
C423 0.7m/m L0805
0.1U
C789
C0603 D154 R531 0.1U
3 SR54 6.34K 1% C0603
OCSET
2 1
EN FB
C424 + C422
220U/16V
AP1510 R532 0.1U
1.2K 1% C0603 CE050080
B9105B_3V3
C429 I120
0.1U
3
IN
C0603
+ C785 C786
4 2
OUT
100U/16V 0.1U
CE025063 C0603
1
ADJ
AMC7585-3.3V/TO252
I121 DV12
R523
3 2
IN OUT
0
C439 R231 R0603 + C438 C440
0.1U AZ1117/adj 100 100U/16V 0.1U
C0603 SOT223 R0603 CE025063 C0603
R232
1.25 x (1+0/100) = 1.25V
0
R0603
POWER SUPPLY +1V2 FOR MT5351